askJohn

Feb282020

On using a gyro for rudder

by on Friday, February 28, 2020 9:38:00 AM

If you've never flown a short coupled model equipped with a tail wheel, then it's quite likely you've never experienced the joy of taking off 90° to your initial heading. As pilots, we all know at some point take off includes a 'shoving the throttle forward' phase, and with the Pitts Special, a representation of the biplane popularized by designer Curtis Pitts, anything but perfect technique could mean a ground loop or a trip toward the weeds. Note; his 1943 design was considered revolutionary...

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askJohn

Feb282020

On using a gyro for rudder

If you've never flown a short coupled model equipped with a tail wheel, then it's quite likely you've never experienced the joy of taking off 90° to your initial heading. As pilots, we all know at some point take off includes a 'shoving the throttle forward' phase, and with the Pitts Special, a representation of the biplane popularized by designer Curtis Pitts, anything but perfect technique could mean a ground loop or a trip toward the weeds. Note; his 1943 design was considered revolutionary...


Dec32019

Let's gore an RF-ox!

Q. I'm curious what receivers and other electrical components you use, and maybe how you linked them together. In other words, what you find works well with your servos.A. Radio system selection falls under that category of subjects, which are generally unsuitable for polite company. Think politics and religion when the family gets together for Thanksgiving. However, because of involvement with the control-loop side of the radio system, I quite often get asked about the RF-side of the business....


Dec12019

On why some servos squeal like a stuck pig!

Q. Why do some brands of digital servos hum and squeal while others don't? And are the ones making so much noise also pulling more current?A. By the time they get to us, most modelers have experienced other brands of digital servos (and by and large come to accept the whining and squealing as the price to pay for advanced digital servo technology). And it's also a fact, some servos are noted for emitting quite a loud hum, or squeal - even while sitting at neutral (and more so during operation)....